The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The force of a suction cup is calculated using F=AP.
15
One barrel of petroleum holds 42 gallons.
20
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
German chemists made a replica of a trophy the size of one molecule.
68
Your brain is 80% water.
525
Research indicates that plants grow healthier when they are stroked.
173